# Includes information which is not shown in "xtensa-esp32-elf-size",
# or easy to parse from "xtensa-esp32-elf-objdump" or raw map files.
#
-# Copyright 2017 Espressif Systems (Shanghai) PTE LTD
+# Copyright 2017-2018 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# See the License for the specific language governing permissions and
# limitations under the License.
#
+from __future__ import print_function
+from __future__ import unicode_literals
+from builtins import dict
import argparse, sys, subprocess, re
import os.path
import pprint
sections = load_sections(map_file)
return memory_config, sections
-def output_section_for_address(memory_config, address):
- for m in memory_config.values():
- if m["origin"] <= address and m["origin"] + m["length"] > address:
- return m["name"]
- return None
-
def load_memory_config(map_file):
""" Memory Configuration section is the total size of each output section """
result = {}
is a dict with details about this section, including a "sources" key which holds a list of source file line information for each symbol linked into the section.
"""
scan_to_header(map_file, "Linker script and memory map")
- scan_to_header(map_file, "END GROUP")
sections = {}
section = None
+ sym_backup = None
for line in map_file:
# output section header, ie '.iram0.text 0x0000000040080400 0x129a5'
RE_SECTION_HEADER = r"(?P<name>[^ ]+) +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+)$"
# source file line, ie
# 0x0000000040080400 0xa4 /home/gus/esp/32/idf/examples/get-started/hello_world/build/esp32/libesp32.a(cpu_start.o)
- RE_SOURCE_LINE = r".*? +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
- m = re.match(RE_SOURCE_LINE, line)
- if section is not None and m is not None: # input source file details
+ RE_SOURCE_LINE = r"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.ob?j?)\)"
+
+ m = re.match(RE_SOURCE_LINE, line, re.M)
+ if not m:
+ # cmake build system links some object files directly, not part of any archive
+ RE_SOURCE_LINE = r"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<object_file>.+\.ob?j?)"
+ m = re.match(RE_SOURCE_LINE, line)
+ if section is not None and m is not None: # input source file details=ma,e
+ sym_name = m.group("sym_name") if len(m.group("sym_name")) > 0 else sym_backup
+ try:
+ archive = m.group("archive")
+ except IndexError:
+ archive = "(exe)"
+
source = {
"size" : int(m.group("size"), 16),
"address" : int(m.group("address"), 16),
- "archive" : os.path.basename(m.group("archive")),
- "object_file" : m.group("object_file"),
+ "archive" : os.path.basename(archive),
+ "object_file" : os.path.basename(m.group("object_file")),
+ "sym_name" : sym_name,
}
source["file"] = "%s:%s" % (source["archive"], source["object_file"])
section["sources"] += [ source ]
+ # In some cases the section name appears on the previous line, back it up in here
+ RE_SYMBOL_ONLY_LINE = r"^ (?P<sym_name>\S*)$"
+ m = re.match(RE_SYMBOL_ONLY_LINE, line)
+ if section is not None and m is not None:
+ sym_backup = m.group("sym_name")
+
return sections
def sizes_by_key(sections, key):
parser.add_argument(
'--archives', help='Print per-archive sizes', action='store_true')
+ parser.add_argument(
+ '--archive_details', help='Print detailed symbols per archive')
+
parser.add_argument(
'--files', help='Print per-file sizes', action='store_true')
if args.files:
print("Per-file contributions to ELF file:")
print_detailed_sizes(sections, "file", "Object File")
+ if args.archive_details:
+ print("Symbols within the archive:", args.archive_details, "(Not all symbols may be reported)")
+ print_archive_symbols(sections, args.archive_details)
def print_summary(memory_config, sections):
def get_size(section):
used_data = get_size(".dram0.data")
used_bss = get_size(".dram0.bss")
used_dram = used_data + used_bss
- used_iram = sum( get_size(s) for s in sections.keys() if s.startswith(".iram0") )
+ used_iram = sum( get_size(s) for s in sections if s.startswith(".iram0") )
flash_code = get_size(".flash.text")
flash_rodata = get_size(".flash.rodata")
total_size = used_data + used_iram + flash_code + flash_rodata
"Total")
print("%24s %10s %6s %6s %10s %8s %7s" % headings)
result = {}
- for k in (sizes.keys()):
+ for k in sizes:
v = sizes[k]
result[k] = {}
result[k]["data"] = v.get(".dram0.data", 0)
def return_total_size(elem):
val = elem[1]
return val["total"]
- for k,v in sorted(result.items(), key=return_total_size, reverse=True):
+ def return_header(elem):
+ return elem[0]
+ s = sorted(list(result.items()), key=return_header)
+ # do a secondary sort in order to have consistent order (for diff-ing the output)
+ for k,v in sorted(s, key=return_total_size, reverse=True):
if ":" in k: # print subheadings for key of format archive:file
sh,k = k.split(":")
print("%24s %10d %6d %6d %10d %8d %7d" % (k[:24],
v["flash_rodata"],
v["total"]))
+def print_archive_symbols(sections, archive):
+ interested_sections = [".dram0.data", ".dram0.bss", ".iram0.text", ".iram0.vectors", ".flash.text", ".flash.rodata"]
+ result = {}
+ for t in interested_sections:
+ result[t] = {}
+ for section in sections.values():
+ section_name = section["name"]
+ if section_name not in interested_sections:
+ continue
+ for s in section["sources"]:
+ if archive != s["archive"]:
+ continue
+ s["sym_name"] = re.sub("(.text.|.literal.|.data.|.bss.|.rodata.)", "", s["sym_name"]);
+ result[section_name][s["sym_name"]] = result[section_name].get(s["sym_name"], 0) + s["size"]
+ for t in interested_sections:
+ print("\nSymbols from section:", t)
+ section_total = 0
+ s = sorted(list(result[t].items()), key=lambda k_v: k_v[0])
+ # do a secondary sort in order to have consistent order (for diff-ing the output)
+ for key,val in sorted(s, key=lambda k_v: k_v[1], reverse=True):
+ print(("%s(%d)"% (key.replace(t + ".", ""), val)), end=' ')
+ section_total += val
+ print("\nSection total:",section_total)
+
if __name__ == "__main__":
main()
projects / esp-idf / blobdiff